pub fn ser_send_whats_app_call_event_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::send_whats_app_call_event::SendWhatsAppCallEventInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.call_event {
object.key("callEvent").string_unchecked(&::aws_smithy_types::base64::encode(var_1));
}
if let Some(var_2) = &input.meta_api_version {
object.key("metaApiVersion").string(var_2.as_str());
}
if let Some(var_3) = &input.origination_phone_number_id {
object.key("originationPhoneNumberId").string(var_3.as_str());
}
Ok(())
}